# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ(2.69) AC_INIT([libisal], [2.30.0], [sg.support.isal@intel.com], [isa-l], [http://01.org/storage-acceleration-library]) AC_CONFIG_SRCDIR([]) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE([ foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects ]) AM_PROG_AS AC_CANONICAL_HOST CPU="" AS_CASE([$host_cpu], [x86_64], [CPU="x86_64"], [amd64], [CPU="x86_64"], [i?86], [CPU="x86_32"], [aarch64], [CPU="aarch64"], [arm64], [CPU="aarch64"], [powerpc64le], [CPU="ppc64le"], [ppc64le], [CPU="ppc64le"], ) AM_CONDITIONAL([CPU_X86_64], [test "$CPU" = "x86_64"]) AM_CONDITIONAL([CPU_X86_32], [test "$CPU" = "x86_32"]) AM_CONDITIONAL([CPU_AARCH64], [test "$CPU" = "aarch64"]) AM_CONDITIONAL([CPU_PPC64LE], [test "$CPU" = "ppc64le"]) AM_CONDITIONAL([CPU_UNDEFINED], [test "x$CPU" = "x"]) if test "$CPU" = "x86_64"; then is_x86=yes else if test "$CPU" = "x86_32"; then is_x86=yes else is_x86=no fi fi # Check for programs AC_PROG_CC_STDC AC_PROG_LD AC_USE_SYSTEM_EXTENSIONS AM_SILENT_RULES([yes]) LT_INIT AC_PREFIX_DEFAULT([/usr]) AC_PROG_SED AC_PROG_MKDIR_P # Options AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]), [], [enable_debug=no]) AS_IF([test "x$enable_debug" = "xyes"], [ AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.]) ]) # If this build is for x86, look for yasm and nasm if test x"$is_x86" = x"yes"; then AC_MSG_CHECKING([whether Intel CET is enabled]) AC_TRY_COMPILE([],[ #ifndef __CET__ # error CET is not enabled #endif], [AC_MSG_RESULT([yes]) intel_cet_enabled=yes], [AC_MSG_RESULT([no]) intel_cet_enabled=no]) # Pick an assembler yasm or nasm if test x"$AS" = x""; then # Check for yasm and yasm features yasm_feature_level=0 AC_CHECK_PROG(HAVE_YASM, yasm, yes, no) if test "$HAVE_YASM" = "yes"; then yasm_feature_level=1 else AC_MSG_RESULT([no yasm]) fi if test x"$yasm_feature_level" = x"1"; then AC_MSG_CHECKING([for modern yasm]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vmovdqa %xmm0, %xmm1;]])]) if yasm -f elf64 -p gas conftest.c ; then AC_MSG_RESULT([yes]) yasm_feature_level=4 else AC_MSG_RESULT([no]) fi fi if test x"$yasm_feature_level" = x"4"; then AC_MSG_CHECKING([for optional yasm AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpshufb %zmm0, %zmm1, %zmm2;]])]) if yasm -f elf64 -p gas conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) yasm_feature_level=6 else AC_MSG_RESULT([no]) fi fi if test x"$yasm_feature_level" = x"6"; then AC_MSG_CHECKING([for additional yasm AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])]) sed -i -e '/vpcompressb/!d' conftest.c if yasm -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) yasm_feature_level=10 else AC_MSG_RESULT([no]) fi fi # Check for nasm and nasm features nasm_feature_level=0 AC_CHECK_PROG(HAVE_NASM, nasm, yes, no) if test "$HAVE_NASM" = "yes"; then nasm_feature_level=1 else AC_MSG_RESULT([no nasm]) fi if test x"$nasm_feature_level" = x"1"; then AC_MSG_CHECKING([for modern nasm]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])]) sed -i -e '/pblendvb/!d' conftest.c if nasm -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) nasm_feature_level=4 else AC_MSG_RESULT([no]) fi fi if test x"$nasm_feature_level" = x"4"; then AC_MSG_CHECKING([for optional nasm AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])]) sed -i -e '/vinsert/!d' conftest.c if nasm -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) nasm_feature_level=6 else AC_MSG_RESULT([no]) fi fi if test x"$nasm_feature_level" = x"6"; then AC_MSG_CHECKING([for additional nasm AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0 {k1}, zmm1;]])]) sed -i -e '/vpcompressb/!d' conftest.c if nasm -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) nasm_feature_level=10 else AC_MSG_RESULT([no]) fi fi if test $nasm_feature_level -ge $yasm_feature_level ; then AS=nasm as_feature_level=$nasm_feature_level else AS=yasm as_feature_level=$yasm_feature_level fi else # Check for $AS supported features as_feature_level=0 AC_CHECK_PROG(HAVE_AS, $AS, yes, no) if test "$HAVE_AS" = "yes"; then as_feature_level=1 else AC_MSG_ERROR([no $AS]) fi if test x"$as_feature_level" = x"1"; then AC_MSG_CHECKING([for modern $AS]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])]) sed -i -e '/pblendvb/!d' conftest.c if $AS -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) as_feature_level=4 else AC_MSG_RESULT([no]) fi fi if test x"$as_feature_level" = x"4"; then AC_MSG_CHECKING([for optional as AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vinserti32x8 zmm0, ymm1, 1;]])]) sed -i -e '/vinsert/!d' conftest.c if $AS -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) as_feature_level=6 else AC_MSG_RESULT([no]) fi fi if test x"$as_feature_level" = x"6"; then AC_MSG_CHECKING([for additional as AVX512 support]) AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpcompressb zmm0, k1, zmm1;]])]) sed -i -e '/vpcompressb/!d' conftest.c if $AS -f elf64 conftest.c 2> /dev/null; then AC_MSG_RESULT([yes]) as_feature_level=10 else AC_MSG_RESULT([no]) fi fi fi if test $as_feature_level -lt 2 ; then AC_MSG_ERROR([No modern nasm or yasm found as required. Nasm should be v2.11.01 or later (v2.13 for AVX512) and yasm should be 1.2.0 or later.]) fi case $host_os in *linux*) arch=linux yasm_args="-f elf64";; *darwin*) arch=darwin yasm_args="-f macho64 --prefix=_ ";; *netbsd*) arch=netbsd yasm_args="-f elf64";; *mingw*) arch=mingw yasm_args="-f win64";; *) arch=unknown yasm_args="-f elf64";; esac # Fix for nasm missing windows features if test x"$arch" = x"mingw"; then AS=yasm as_feature_level=$yasm_feature_level if test $as_feature_level -lt 2 ; then AC_MSG_ERROR([Mingw build requires Yasm 1.2.0 or later.]) fi fi AC_DEFINE_UNQUOTED(AS_FEATURE_LEVEL, [$as_feature_level], [Assembler feature level.]) if test $as_feature_level -ge 6 ; then AC_DEFINE(HAVE_AS_KNOWS_AVX512, [1], [Assembler can do AVX512.]) have_as_knows_avx512=yes else AC_MSG_RESULT([Assembler does not understand AVX512 opcodes. Consider upgrading for best performance.]) fi AM_CONDITIONAL(USE_YASM, test x"$AS" = x"yasm") AM_CONDITIONAL(USE_NASM, test x"$AS" = x"nasm") AM_CONDITIONAL(WITH_AVX512, test x"$have_as_knows_avx512" = x"yes") AC_SUBST([yasm_args]) AM_CONDITIONAL(DARWIN, test x"$arch" = x"darwin") AC_MSG_RESULT([Using $AS args target "$arch" "$yasm_args"]) else # Disable below conditionals if not x86 AM_CONDITIONAL(USE_YASM, test "x" = "y") AM_CONDITIONAL(USE_NASM, test "x" = "y") AM_CONDITIONAL(WITH_AVX512, test "x" = "y") AM_CONDITIONAL(DARWIN, test "x" = "y") fi AM_CONDITIONAL(INTEL_CET_ENABLED, [test x"$intel_cet_enabled" = x"yes"]) # Check for header files AC_CHECK_HEADERS([limits.h stdint.h stdlib.h string.h]) # Checks for typedefs, structures, and compiler characteristics. AC_C_INLINE AC_TYPE_SIZE_T AC_TYPE_UINT16_T AC_TYPE_UINT32_T AC_TYPE_UINT64_T AC_TYPE_UINT8_T # Checks for library functions. AC_FUNC_MALLOC # Used only in tests AC_CHECK_FUNCS([memmove memset getopt]) my_CFLAGS="\ -Wall \ -Wchar-subscripts \ -Wformat-security \ -Wnested-externs \ -Wpointer-arith \ -Wshadow \ -Wstrict-prototypes \ -Wtype-limits \ " AC_SUBST([my_CFLAGS]) AC_CONFIG_FILES([\ Makefile\ libisal.pc ]) AC_OUTPUT AC_MSG_RESULT([ $PACKAGE $VERSION ===== prefix: ${prefix} sysconfdir: ${sysconfdir} libdir: ${libdir} includedir: ${includedir} compiler: ${CC} cflags: ${CFLAGS} ldflags: ${LDFLAGS} debug: ${enable_debug} ])